Can you please help and show the work. You need to solve by completing the square. The question is in the image below

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x